It also could be someone targeting voicemail systems for attack and using the toll free number to access the PBX. That's quite common. On Apr 20, 2014 5:07 PM, "Philip Mullis" <[email protected]> wrote:
> The provider benefits from these type of attacks. > Also competitors of a target company have also known to take joy in racking > up a competitors bill. > > If you finding there from a consistent set of numbers or anonymous filter > or drop accordingly. > > On Apr 20, 2014 4:44 PM, "Bruce N" <[email protected]> wrote: > > > Happy Easter / Spring to ya'll. > > > > Has anyone seen a drastic increase on their toll-free inbound calls which > > results in high charges from provider? > > > > Is this a new type of attack? Who might benefit from this type of attack > > and how to mitigate it? > > > > - Bruce > > >
